Audi A4 B8 2.0 TDI Power Steering Pump Fluid Reservoir Tank 4F0422371D

The Audi A4 B8 2.0 TDI Power Steering Reservoir is an original steering system component designed to work with the factory power steering system in the Audi A4 B8 generation with a 2.0 TDI engine. This component, from the Power Steering Pumps category, ensures stable hydraulic operating conditions, proper fluid circulation, and adequate power steering pump supply, which translates to precise vehicle handling.

Specifications and technical data

• SKU: 4F0422371D
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0422371D
• Substitutable numbers: 4F0422371D, 4F0 422 371 D
• Category: Power Steering Pumps

Purpose and Function in the Power Steering System

The Audi A4 B8 2.0 TDI power steering fluid reservoir plays a crucial role in the hydraulic steering system, responsible for storing and stabilizing the working volume of the fluid. A correctly selected reservoir:

• ensures the proper fluid level under various system loads,
• limits aeration of the working medium,
• supports the smooth operation of the power steering pump,
• indirectly affects the smoothness and lightness of the steering wheel.

Thanks to its factory fit for the A4 B8 platform with the 2.0 TDI unit, the component integrates with the original hose geometry and mounting points, facilitating installation and subsequent service.

Benefits of Using an Original Audi Reservoir

Choosing a component from the Power Steering Pumps group dedicated to a specific Audi model allows for maintaining system operating parameters in line with the manufacturer's specifications. The most significant advantages include:

• factory fit for the Audi A4 B8 2.0 TDI steering system,
• maintenance of correct fluid pressure and flow across the entire RPM range,
• reduced risk of pump noise resulting from cavitation or fluid shortage,
• easier diagnosis of potential leaks due to the predictable system design.

A properly selected reservoir supports stable and predictable steering system operation, which is important for both daily driving and dynamic highway driving.

Condition, Origin, and Environmental Aspect

The offered component is a used part, sourced from a dismantled Audi vehicle. This type of part allows for economical repair of the power steering system while maintaining the original manufacturer's specifications. The use of used components also aligns with the concept of responsible vehicle operation and reducing workshop waste.

If you are interested in a broader context of using recycled parts in automotive and their impact on performance and the environment, it is worth reading the material: eco-tuning and recycled parts in practice.

Selection, Installation, and System Diagnostics

When replacing the power steering fluid reservoir in an Audi A4 B8 2.0 TDI, it is recommended to:

• check the condition of the pressure and return lines,
• replace the power steering fluid according to the vehicle manufacturer's recommendations,
• bleed the system after installation,
• verify for leaks after the first few kilometers of driving.

A correctly performed installation procedure minimizes the risk of pump noise, uneven power steering operation, and accelerated wear of system components. For users who want to better understand the principles of operation of fuel and hydraulic systems in a vehicle, the article: fuel system – diagnostics, VIN/OEM selection, and operation, which discusses similar issues related to component selection and service, may be helpful.

Other Audi Power Steering Pumps

If you are also looking for other components from the Power Steering Pumps category for Audi, check out the Audi power steering pumps available in our store to select a complete solution tailored to your model.